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			evse_cm_slac_match.c
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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR 
 *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 
 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *  
 *   signed evse_cm_slac_match (struct session * session, struct channel * channel, struct message * message);
 *
 *   slac.h
 *  
 *   receive CM_SLAC_MATCH.REQ and send CM_SLAC_MATCH.CNF containing
 *   random NMK/NID that EVSE-HLE will use to configure EVSE-PLC for
 *   charging; 
 *
 *   users must develop their own means of generating random NMK/NID
 *   pairs because it is not part of the standard; this example does
 *   not attempt to randomize NMK/NID;
 *  
 *--------------------------------------------------------------------*/

#ifndef EVSE_CM_SLAC_MATCH_SOURCE
#define EVSE_CM_SLAC_MATCH_SOURCE

#include &lt;stdio.h&gt;
#include &lt;string.h&gt;

#include &quot;../ether/channel.h&quot;
#include &quot;../tools/memory.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../iso15118/slac.h&quot;

signed evse_cm_slac_match (struct session * session, struct channel * channel, struct message * message) 

{ 
	struct cm_slac_match_request * request = (struct cm_slac_match_request *) (message); 
	struct cm_slac_match_confirm * confirm = (struct cm_slac_match_confirm *) (message); 
	while (readmessage (channel, message, HOMEPLUG_MMV, (CM_SLAC_MATCH | MMTYPE_REQ)) &gt; 0) 
	{ 
		if (! memcmp (session-&gt;RunID, request-&gt;MatchVarField.RunID, sizeof (session-&gt;RunID))) 
		{ 
			slac_debug (session, 0, __func__, &quot;&lt;-- CM_SLAC_MATCH.REQ&quot;); 
			memcpy (session-&gt;PEV_ID, request-&gt;MatchVarField.PEV_ID, sizeof (session-&gt;PEV_ID)); 
			memcpy (session-&gt;PEV_MAC, request-&gt;MatchVarField.PEV_MAC, sizeof (session-&gt;PEV_MAC)); 
			memcpy (session-&gt;RunID, request-&gt;MatchVarField.RunID, sizeof (session-&gt;RunID)); 

#if SLAC_DEBUG

			if (_anyset (session-&gt;flags, SLAC_VERBOSE)) 
			{ 
				char string [256]; 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.APPLICATION_TYPE %d&quot;, request-&gt;APPLICATION_TYPE); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.SECURITY_TYPE %d&quot;, request-&gt;SECURITY_TYPE); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.MVFLength %d&quot;, LE16TOH (request-&gt;MVFLength)); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.PEV_ID %s&quot;, HEXSTRING (string, request-&gt;MatchVarField.PEV_ID)); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.PEV_MAC %s&quot;, HEXSTRING (string, request-&gt;MatchVarField.PEV_MAC)); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.EVSE_ID %s&quot;, HEXSTRING (string, request-&gt;MatchVarField.EVSE_ID)); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.EVSE_MAC %s&quot;, HEXSTRING (string, request-&gt;MatchVarField.EVSE_MAC)); 
				slac_debug (session, 0, __func__, &quot;CM_SLAC_MATCH.REQ.RunID %s&quot;, HEXSTRING (string, request-&gt;MatchVarField.RunID)); 
			} 

#endif

			slac_debug (session, 0, __func__, &quot;--&gt; CM_SLAC_MATCH.CNF&quot;); 
			memset (message, 0, sizeof (* message)); 
			EthernetHeader (&amp; confirm-&gt;ethernet, session-&gt;PEV_MAC, channel-&gt;host, channel-&gt;type); 
			HomePlugHeader1 (&amp; confirm-&gt;homeplug, HOMEPLUG_MMV, (CM_SLAC_MATCH | MMTYPE_CNF)); 
			confirm-&gt;APPLICATION_TYPE = session-&gt;APPLICATION_TYPE; 
			confirm-&gt;SECURITY_TYPE = session-&gt;SECURITY_TYPE; 
			confirm-&gt;MVFLength = HTOLE16 (sizeof (confirm-&gt;MatchVarField)); 
			memcpy (confirm-&gt;MatchVarField.PEV_ID, session-&gt;PEV_ID, sizeof (confirm-&gt;MatchVarField.PEV_ID)); 
			memcpy (confirm-&gt;MatchVarField.PEV_MAC, session-&gt;PEV_MAC, sizeof (confirm-&gt;MatchVarField.PEV_MAC)); 
			memcpy (confirm-&gt;MatchVarField.EVSE_ID, session-&gt;EVSE_ID, sizeof (confirm-&gt;MatchVarField.EVSE_ID)); 
			memcpy (confirm-&gt;MatchVarField.EVSE_MAC, session-&gt;EVSE_MAC, sizeof (confirm-&gt;MatchVarField.EVSE_MAC)); 
			memcpy (confirm-&gt;MatchVarField.RunID, session-&gt;RunID, sizeof (confirm-&gt;MatchVarField.RunID)); 
			memcpy (confirm-&gt;MatchVarField.NID, session-&gt;NID, sizeof (confirm-&gt;MatchVarField.NID)); 
			memcpy (confirm-&gt;MatchVarField.NMK, session-&gt;NMK, sizeof (confirm-&gt;MatchVarField.NMK)); 
			if (sendmessage (channel, message, sizeof (* confirm)) &lt;= 0) 
			{ 
				return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND)); 
			} 
			return (0); 
		} 
	} 
	return (slac_debug (session, session-&gt;exit, __func__, &quot;&lt;-- CM_SLAC_MATCH.REQ ?&quot;)); 
} 

#endif


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